$OpenBSD: patch-iodev_sound_soundlow_h,v 1.1 2015/05/10 08:01:58 ajacoutot Exp $

Include pthreads library header in soundlow.h (fixes SF bug #1373).

--- iodev/sound/soundlow.h.orig	Sat May  9 07:37:12 2015
+++ iodev/sound/soundlow.h	Sat May  9 07:37:40 2015
@@ -20,6 +20,10 @@
 
 // Common code for sound lowlevel modules
 
+#ifndef WIN32
+#include <pthread.h>
+#endif
+
 // This is the maximum size of a wave data packet.
 // It should be large enough for 0.1 seconds of playback or recording.
 #define BX_SOUNDLOW_WAVEPACKETSIZE  19200
